Behavioral task
behavioral1
Sample
NEAS.b31f8f77f3f7555e6e3e09d26ccd5f80_JC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.b31f8f77f3f7555e6e3e09d26ccd5f80_JC.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.b31f8f77f3f7555e6e3e09d26ccd5f80_JC.exe
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Size
523KB
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MD5
b31f8f77f3f7555e6e3e09d26ccd5f80
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SHA1
f558996dc61de5468ebe6cc14a95ed0dd984e389
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SHA256
1c535d1dcc33f20686fb4e17f2a3c2f06f11b600f0d37d91187f0bdac7d04f09
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SHA512
2409898a29e4c46957b638f960aa4362e10af504dff5506f387d8f6133615e1f10ceb3d1f16eb78bd2cfcdddc6cdf21e50c0716d10ce43536a3988ab6a969b82
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SSDEEP
12288:NnNhuBoY8SorxgmA+nlvVlh3d39eHD82XDG1qebp5vIM8fMV:NPatCg7EPb3dte/KAeVm5MV
Malware Config
Signatures
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resource yara_rule sample upx -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule static1/unpack001/out.upx autoit_exe -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource NEAS.b31f8f77f3f7555e6e3e09d26ccd5f80_JC.exe unpack001/out.upx
Files
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NEAS.b31f8f77f3f7555e6e3e09d26ccd5f80_JC.exe.exe windows:4 windows x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 432KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 222KB - Virtual size: 224KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 300KB - Virtual size: 300KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 408KB - Virtual size: 407KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 57KB - Virtual size: 57KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 10KB - Virtual size: 90KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 81KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ